UMS Holdings Limited, an investment holding company, manufactures and markets high precision front-end semiconductor components, and provides electromechanical assembly and final testing services. It operates in three segments: Semiconductor, Aerospace, and Others. The Semiconductor segment offers precision machining components and equipment modules for semiconductor equipment manufacturers. The aerospace segment provides precision machining services including milling, lathe, horizontal, cleaning, anodizing, and CMM for the aerospace, electronics, and automotive industries. The Others segment provides water disinfection systems shipment services, as well as trades in nonferrous metal alloys. It also offers metal finishing services, such as electroless and selective nickel, anodizing, plating, e-polish, chemical cleaning, and parts refurbishment; and system integration, refurbishment, prototyping, and vendor managed inventory services, as well as electroplating and anodizing services. In addition, it is involved in the assembly and integration of equipment and automated assembly lines; manufacture and assembly of stainless steel gaslines and weldment products; manufacture and repair of waste water treatment equipment; and holding of investment properties. Further, the company offers electrolyte water disinfection system and other related products. It serves semiconductor, electronic, machine tools, aerospace, and oil and gas industries. The company operates in Singapore, Malaysia, Taiwan, the United States, South Korea, the People's Republic of China, and internationally. UMS Holdings Limited was incorporated in 2001 and is headquartered in Singapore.